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  • How to solve this problem- Which of the following is a function in x ?

Which of the following is a function in x ?

  • Option 1)

    y^{2}=4x

     

     

     

  • Option 2)

    x^{2}=4y

  • Option 3)

    x^{2}+y^{2}=4

  • Option 4)

    \frac{x^{2}}{4}+\frac{y^{2}}{4}=1

 

Answers (1)

best_answer

As we learned 

 

Function Check Graphically -

A line parallel to y - axis cuts the curve atmost one point is called function.

-

 

 

            y=\frac{x^{2}}{y} \: \: is\: a\: function

 


Option 1)

y^{2}=4x

 

 

 

Option 2)

x^{2}=4y

Option 3)

x^{2}+y^{2}=4

Option 4)

\frac{x^{2}}{4}+\frac{y^{2}}{4}=1

Posted by

Himanshu

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